Causes of stalling of diesel generator sets during operation

1,Diesel generator setsWhen the flame is automatically turned off, the speed gradually decreases, the operation is unstable, and the exhaust gas emits white smoke. This phenomenon indicates that there is water in the diesel oil, the cylinder gasket is washed out, or the automatic decompression is damaged.
Measures: Replace the cylinder gasket and adjust the decompression mechanism.
2. The exhaust pipe emits black smoke and the fuel valve does not work normally. This situation is mostly caused by poor diesel combustion in the diesel generator set. The main reason is that the air filter inlet is seriously blocked by impurities, resulting in the intake of air. insufficient.
Measures: Clean the air filter and dredge the air intake pipe to ensure sufficient air.
3. When the flame is automatically turned off, the operation is continuously unstable and accompanied by abnormal knocking sound. This phenomenon is a sudden mechanical failure. The common causes are: broken crankshaft, broken piston pin, loose or broken connecting rod bolt, and valve The lock piece, the valve retainer falls off, the valve spring breaks or the valve stem breaks, causing the valve to fall off.
Measures: Once the generator is in such a situation during work, it should be shut down for inspection immediately to avoid major mechanical accidents and can be sent to a professional maintenance point for comprehensive inspection.
4. When the engine is automatically turned off, the speed suddenly drops and the exhaust pipe emits serious black smoke. This phenomenon is mostly caused by the sudden and strong obstruction of the engine operation. The reason is: the cooling system lacks water and the engine is overheated, causing the piston to pull in the cylinder liner. The engine is stalled due to injury, jamming, burning of bushings, or seizure of parts of the valve mechanism.
Measures: The maintenance of the lubrication system and cooling system should be strengthened, and sufficient lubricating oil and cooling water should be added.